It can involve affection as we work together in Christ, but affection is not a necessary element.We are commanded in the Scriptures to show love to all believers, but we are not commanded to make all believers our friends.Friendship involves three foundational elements, commitment to fulfill the responsibility of a friend, care and concern for the welfare of your friend, and affection.The word "friend" means someone you like who also likes you.Gen. says, "For this reason a man will leave his father and mother and be united to his wife, and they will become one flesh." This verse tells us that marriage involves the husband and wife severing ties of intimate relationships with parents to cleave to each other.It involves coming together into a permanent bond of unity.However, the Bible does describe three kinds of relationships with the opposite sex and gives certain characteristics of each relationship (there are others such as parent/child and sibling, but they don't clarify the issues of dating).
Friendship and marriage have a third characteristic - affection and attraction, although the nature of the affection and attraction is different.
When a Christian marries he or she is making a commitment to fulfill the responsibility God ordains for the husband or wife to fulfill.
He or she is making a commitment to have care and concern for the spiritual, emotional, physical, and mental welfare of his or her marriage partner.
Also, in our culture, through "dating" people will often find a life partner and marry.
How men and women view a "date" and "dating" can have a profound effect on their future.